Genus Photis Krøyer, 1842

Diagnosis.

Antenna 1 accessory flagellum vestigial or absent. Coxae 1 and 2 subequal in length with coxae 3 and 4. Gnathopod 2 sexually dimorphic. Male gnathopod 2 subchelate; dactylus slender. Female gnathopod 2 propodus anterior margin sparsely to moderately setose. Female pereopods 3 and 4 oostegites broadly expanded, longer than basis. Urosomites separate. Uropods 1 and 2 inner ramus lanceolate with apical robust setae. Uropod 3 inner ramus minute.